/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "gamePCH.h"
#include "Common.h"
#include "Log.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "ObjectAccessor.h"
#include "CreatureAI.h"
#include "ObjectDefines.h"

void WorldSession::HandleAttackSwingOpcode(WorldPacket & recv_data) {
	uint64 guid;
	recv_data >> guid;

	sLog->outStaticDebug(
			"WORLD: Recvd CMSG_ATTACKSWING Message guidlow:%u guidhigh:%u",
			GUID_LOPART(guid), GUID_HIPART(guid));

	Unit *pEnemy = ObjectAccessor::GetUnit(*_player, guid);

	if (!pEnemy) {
		if (!IS_UNIT_GUID(guid))
			sLog->outError(
					"WORLD: Object %u (TypeID: %u) isn't player, pet or creature",
					GUID_LOPART(guid), GuidHigh2TypeId(GUID_HIPART(guid)));
		else
			sLog->outError("WORLD: Enemy %s %u not found",
					GetLogNameForGuid(guid), GUID_LOPART(guid));

		// stop attack state at client
		SendAttackStop(NULL);
		return;
	}

	if (!_player->canAttack(pEnemy)) {
		// stop attack state at client
		SendAttackStop(pEnemy);
		return;
	}

	_player->Attack(pEnemy, true);
}

void WorldSession::HandleAttackStopOpcode(WorldPacket & /*recv_data*/) {
	GetPlayer()->AttackStop();
}

void WorldSession::HandleSetSheathedOpcode(WorldPacket & recv_data) {
	uint32 sheathed;
	recv_data >> sheathed;

	//sLog->outDebug(LOG_FILTER_PACKETIO, "WORLD: Recvd CMSG_SETSHEATHED Message guidlow:%u value1:%u", GetPlayer()->GetGUIDLow(), sheathed);

	if (sheathed >= MAX_SHEATH_STATE) {
		sLog->outError("Unknown sheath state %u ??", sheathed);
		return;
	}

	GetPlayer()->SetSheath(SheathState(sheathed));
}

void WorldSession::SendAttackStop(Unit const* enemy) {
	WorldPacket data(SMSG_ATTACKSTOP, (8 + 8 + 4)); // we guess size
	data.append(GetPlayer()->GetPackGUID());
	data.append(enemy ? enemy->GetPackGUID() : 0); // must be packed guid
	data << uint32(0); // unk, can be 1 also
	SendPacket(&data);
}
